Ryan Malloy
896a8535cf
Wire up LTspice as a second simulation engine using mcltspice (Wine-based LTspice runner). The backend architecture already had the ABC + factory pattern; this connects the ltspice branch. - Extract shared raw_to_waveform() into raw_convert.py with Protocol typing so both ngspice and mcltspice RawFile objects work without coupling - Add LtspiceEngine with deferred mcltspice import for graceful degradation - Register "ltspice" in get_engine() with availability check (mcltspice + Wine + LTspice.exe must all be present) - Add startup validation log for LTspice availability - Add mcltspice as optional dependency: pip install spicebook[ltspice] - Integration tests auto-skip when LTspice is unavailable (Docker/CI)
60 lines
2.0 KiB
Docker
60 lines
2.0 KiB
Docker
FROM ghcr.io/astral-sh/uv:python3.12-bookworm-slim AS base
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# System dependencies -- ngspice is required for simulation
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# NOTE: LTspice requires Wine + a Windows LTspice install, which is only
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# available on the dev host (not in this container). The backend gracefully
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# degrades -- LTspice engine returns UnsupportedEngineError in Docker.
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RUN apt-get update && \
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apt-get install -y --no-install-recommends ngspice && \
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rm -rf /var/lib/apt/lists/*
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WORKDIR /app
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# Copy dependency metadata first for layer caching
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COPY pyproject.toml ./
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# ---------------------------------------------------------------------------
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# Development target
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# ---------------------------------------------------------------------------
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FROM base AS dev
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# Install in editable mode (source mounted via docker-compose volume)
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RUN --mount=type=cache,target=/root/.cache/uv \
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--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
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uv pip install --system -e ".[dev]"
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# Copy source for initial build (overridden by volume mount in dev)
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COPY src/ ./src/
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EXPOSE 8000
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CMD ["uv", "run", "uvicorn", "spicebook.main:app", "--host", "0.0.0.0", "--port", "8000", "--reload"]
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# ---------------------------------------------------------------------------
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# Production target
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# ---------------------------------------------------------------------------
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FROM base AS prod
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ENV UV_COMPILE_BYTECODE=1
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# Install dependencies first (no source yet -- better caching)
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RUN --mount=type=cache,target=/root/.cache/uv \
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--mount=type=bind,source=pyproject.toml,target=pyproject.toml \
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uv pip install --system .
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COPY src/ ./src/
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# Re-install with source to get the package registered
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RUN --mount=type=cache,target=/root/.cache/uv \
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uv pip install --system .
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# Run as non-root
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RUN useradd --create-home --shell /bin/bash spicebook && \
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mkdir -p /app/notebooks/user /app/notebooks/examples && \
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chown -R spicebook:spicebook /app/notebooks
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USER spicebook
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EXPOSE 8000
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CMD ["python", "-m", "uvicorn", "spicebook.main:app", "--host", "0.0.0.0", "--port", "8000"]
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